The exercise ball that is used in the Shape, Strengthen, and Sculpt kit is 55 centimeters in diameter. It should fit anyone from 5’0” to 5’7″ tall. If your ball is too large, you can underinflate it until you can sit with your feet on the floor and your knees are bent at approximately 90 degrees. Please contact us at [email protected] if you have additional questions or concerns.
What size is the exercise ball that is included in the kit?